President Trump began his immigration crackdown with a flurry of executive orders. Immigration experts say they lay out how he hopes to transform enforcement at the southern U.S. border and beyond.

Some of Trump’s actions have taken effect immediately. Others are facing legal challenges or will require additional funding.

Border czar Tom Homan told NBC News that several people with criminal convictions were apprehended in Chicago.

What follows are my initial responses to Trump’s creation of the External Revenue Service, or ERS, future rival of the IRS.

President Trump's "border czar" Tom Homan and other top officials oversaw immigration enforcement efforts in Chicago on ...

President Trump's crackdown on illegal immigration expanded over the weekend, with Immigration and Customs Enforcement ...

A top Department of Justice official and President Trump’s “border czar” were in Chicago overseeing “immigration enforcement ...